package com.genuine.vip;

import java.util.HashMap;
import java.util.Hashtable;
import java.util.Map;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.genuine.hyjj.R;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;

public class VipCardDetail extends Activity {

	TextView tv_cardno, tv_factoryName;
	ImageView imageview = null;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.my_vip_card);
		tv_cardno = (TextView) findViewById(R.id.vip_detail_cardno);
		tv_factoryName = (TextView) findViewById(R.id.vip_detail_factory);
		imageview = (ImageView) findViewById(R.id.vipcard_qrcode);
		Intent intent = getIntent();
		Map map = (HashMap) intent.getSerializableExtra("d");
		String cardNo = map.get("CardNo").toString();
		String factoryName = map.get("FactoryName").toString();
		tv_cardno.setText("NO."+cardNo);
		tv_factoryName.setText(factoryName);
		try {
			imageview.setImageBitmap(Create2DCode(cardNo));
		} catch (WriterException e) {

		}

	}

	private Bitmap Create2DCode(String str) throws WriterException {
		// 生成二维矩阵,编码时指定大小,不要生成了图片以后再进行缩放,这样会模糊导致识别失败
		Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
		hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
		int dip = this.getApplicationContext().getResources()
				.getDisplayMetrics().densityDpi;
		float dips=((float)dip)/160;
		//Toast.makeText(this, dips+"", Toast.LENGTH_LONG).show();
		BitMatrix matrix = new MultiFormatWriter().encode(str,
				BarcodeFormat.QR_CODE, (int)(160*dips), (int)(160*dips), hints);
		int width = matrix.getWidth();
		int height = matrix.getHeight();
		// 二维矩阵转为一维像素数组,也就是一直横着排了
		int[] pixels = new int[width * height];
		for (int y = 0; y < height; y++) {
			for (int x = 0; x < width; x++) {
				if (matrix.get(x, y)) {
					pixels[y * width + x] = 0xff000000;
				}
			}
		}

		Bitmap bitmap = Bitmap.createBitmap(width, height,
				Bitmap.Config.ARGB_8888);
		// 通过像素数组生成bitmap,具体参考api
		bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
		return bitmap;
	}

}
